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Trial registered on ANZCTR
Registration number
ACTRN12616001292460
Ethics application status
Approved
Date submitted
12/09/2016
Date registered
14/09/2016
Date last updated
18/06/2021
Date data sharing statement initially provided
13/12/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
An exploratory clinical trial of Autologous Platelet Gel (APG) in adults with Venous Leg Ulcers (VLU).
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Scientific title
An exploratory clinical trial of Autologous Platelet Gel (APG) in adults with Venous Leg Ulcers (VLU).
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Secondary ID [1]
290133
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Nil known
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Universal Trial Number (UTN)
U1111-1187-5181
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Trial acronym
APGiVLU (Autologous Platelet Gel in Venous Leg Ulcers)
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Venous Leg Ulcer
300251
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Condition category
Condition code
Cardiovascular
300115
300115
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0
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Diseases of the vasculature and circulation including the lymphatic system
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Skin
300116
300116
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0
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Other skin conditions
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Autologus Platelet Gel applied to target ulcer in addition to standard best practice compression therapy.
Magellan APG kits will be used for the preparation of the APG treatment. A portion of the patient's blood will be placed in the kit that is linked to a centrifuge which will add fibrin and be set to spin the blood to develop the gel. The Wound Clinic Nurse will draw 60 mls of blood from participants to develop the APG (50 mls) and to send to lab for analysis (10 mls). The APG will be prepared as per standard operating procedure. The APG will take 20 – 30 minutes to prepare. During this time the participant will remain on a bed in the wound clinic. The gel preparation can either be placed or sprayed on to the VLU depending on depth of wound. The gel will be applied once. All participants will be treated with standard best practice wound dressing and compression therapy. Compression type will be delegated by the clinician after discussion with the patient. Participants will be informed that the compression bandage must not be removed during the treatment period.
Compression bandage must not be removed during week one following gel application,
One week after gel application, compression will be removed by study nurse; the ulcer assessed and compression replaced once weekly until ulcer healed or until 12 weeks.
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Intervention code [1]
295885
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Treatment: Other
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Complete healing of target ulcer. Healing is defined as 100% epithelialisation with no exudate which will be assesed by direct observation by the study nurse. A digital photo will be taken for DCF documentation.
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Assessment method [1]
299599
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Timepoint [1]
299599
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12 weeks from application of APG. The ulcer will be assessed at Baseline and every 4 weeks after APG application until healed or 12 weeks whichever comes first. The ulcer outline will be traced on acetate grids and ulcer area calculated. The visit at which complete healing is obsereved will be recorded.
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Secondary outcome [1]
327656
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The rate of ulcer recurrence over 3 months after healing
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Assessment method [1]
327656
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Timepoint [1]
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Healed participants before 12 weeks or at 12 weeks will be assessed at 3 months after healing for recurrence by the Study Nurse or by medical record review.
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Eligibility
Key inclusion criteria
Eligible participants will be aged over 18 years and have a chronic VLU (target ulcer) that has been present for more than 4 weeks with no improvement. Participants must have an ABPI greater than or equal to 0.7 mmHg to exclude significant arterial insufficiency. The eligible target ulcer will have an area greater than or equal to 1 cm2 to less than or equal to 40 cm2 as measured by acetate tracing grid techniques (largest ulcer on limb and separated from other ulcers by at least 1 cm). If more than one leg ulcer is present, the largest ulcer will be treated.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Participants who have severe liver, cardiac or pulmonary disease or known current malignancy will be excluded.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Allocation is not concealed
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
No sample size was calculated as this is a pilot, proof of concept study. Twenty patients will be invited to participate in the study.
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Recruitment
Recruitment status
Withdrawn
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Reason for early stopping/withdrawal
Lack of funding/staff/facilities
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Date of first participant enrolment
Anticipated
1/06/2020
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Actual
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Date of last participant enrolment
Anticipated
1/12/2020
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Actual
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Date of last data collection
Anticipated
1/04/2021
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Actual
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Sample size
Target
20
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
6653
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Knox Private Hospital - Wantirna
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Recruitment postcode(s) [1]
14278
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3152 - Wantirna
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Funding & Sponsors
Funding source category [1]
294508
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Commercial sector/Industry
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Name [1]
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Cellplex Pty Ltd
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Address [1]
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16 - 18 Hydrive Close, Dandenong South VIC 3175
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Country [1]
294508
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Australia
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Primary sponsor type
University
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Name
Monash University
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Address
Level 6, The Alfred Centre
99 Commercial Road
Melbourne Vic 3004
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Country
Australia
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Secondary sponsor category [1]
293372
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None
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Name [1]
293372
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Address [1]
293372
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Country [1]
293372
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
295940
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Monash University HREC
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Ethics committee address [1]
295940
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First Floor, Room 111 Chancellery Building E 24 Sports Walk Monash Research Office Clayton Campus Monash University VIC 3800
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Ethics committee country [1]
295940
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Australia
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Date submitted for ethics approval [1]
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31/08/2016
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Approval date [1]
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05/10/2016
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Ethics approval number [1]
295940
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2016-0438
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Summary
Brief summary
Chronic venous leg ulcers are an extremely common and costly problem across the globe. The burden is expected to rise with an ageing population and the growing epidemic of diabetes and obesity. This will increase the therapeutic challenge for treating clinicians. Standard best practice treatment is compression of the lower leg by bandaging to reduce hydrostatic pressure in the leg. Healing rates vary widely and even after two years of compression therapy up to 50% of all chronic VLUs remain unhealed as patient adherence to compression therapy is a continuing challenge, as is best practice management of people with VLUs in the community. Autologous Platelet Gel (APG) together with compression appears to be a promising new intervention for VLU healing. While there is encouraging data from in vitro, animal and clinical studies, strong evidence for its effectiveness from high quality randomised controlled trials is currently lacking. We propose a pilot clinical trial to determine the efficacy, safety and cost-effectiveness of APG gel as an adjunct to compression therapy in healing venous ulcers. We will also assess ulcer recurrence rate of venous ulcers within 3 months of healing.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Carolina Weller
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Address
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Department of Epidemiology and Preventive Medicine
Monash University
The Alfred Centre, Level 6
99 Commercial Road
Melbourne Vic 3004
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Country
68982
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Australia
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Phone
68982
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+61 3 9903 0623
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Fax
68982
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+61 3 9903 0828
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Email
68982
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[email protected]
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Contact person for public queries
Name
68983
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Carolina Weller
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Address
68983
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Department of Epidemiology and Preventive Medicine
Monash University
The Alfred Centre, Level 6
99 Commercial Road
Melbourne Vic 3004
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Country
68983
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Australia
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Phone
68983
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+61 3 9903 0623
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Fax
68983
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+61 3 9903 0828
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Email
68983
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[email protected]
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Contact person for scientific queries
Name
68984
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Carolina Weller
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Address
68984
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Department of Epidemiology and Preventive Medicine
Monash University
The Alfred Centre, Level 6
99 Commercial Road
Melbourne Vic 3004
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Country
68984
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Australia
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Phone
68984
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+61 3 9903 0623
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Fax
68984
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+61 3 9903 0828
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Email
68984
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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